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Finding the Fourth Proportional to 130,223.84, 179,700.40 and 72,853.36

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Solution

The fourth proportional to 130,223.84, 179,700.40 and 72,853.36 is: 100,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,223.84 : 179,700.40 = 72,853.36 : x
  2. Step 2: Convert to fraction form
    130,223.84/179,700.40 = 72,853.36/x
  3. Step 3: Cross multiply
    130,223.84x = 179,700.40 × 72,853.36
  4. Step 4: Simplify right side
    130,223.84x = 13,091,777,933.34
  5. Step 5: Solve for x
    x = 13,091,777,933.34/130,223.84
  6. Step 6: Final answer
    x = 100,532.88

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